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Investment Securities (Details 2) $ in Thousands | Sep. 30, 2018 USD ($) Investments | Dec. 31, 2017 USD ($) Investments
--- | --- | ---
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 14 | 25
Available for sale Securities, Less than 12 months, Fair value | $ 17,015 | $ 27,846
Available for sale Securities, Less than 12 months, Unrealized losses | $ 274 | $ 245
Available for sale Securities, 12 months or longer, Number of investments | Investments | 42 | 28
Available for sale Securities, 12 months or longer, Fair value | $ 43,254 | $ 27,511
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 1,835 | $ 518
Available for sale Securities, Total, Number of investments | Investments | 62 | 53
Available for sale Securities, Total, Fair value | $ 60,269 | $ 55,357
Available for sale Securities, Total, Unrealized losses | $ 2,109 | $ 763
US government agencies [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 3 | 5
Available for sale Securities, Less than 12 months, Fair value | $ 3,368 | $ 4,184
Available for sale Securities, Less than 12 months, Unrealized losses | $ 86 | $ 22
Available for sale Securities, 12 months or longer, Number of investments | Investments | 6 | 4
Available for sale Securities, 12 months or longer, Fair value | $ 4,764 | $ 3,968
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 263 | $ 75
Available for sale Securities, Total, Number of investments | Investments | 9 | 9
Available for sale Securities, Total, Fair value | $ 8,132 | $ 8,152
Available for sale Securities, Total, Unrealized losses | $ 349 | $ 97
SBA securities [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments |  | 1
Available for sale Securities, Less than 12 months, Fair value |  | $ 2,936
Available for sale Securities, Less than 12 months, Unrealized losses |  | $ 13
Available for sale Securities, 12 months or longer, Number of investments | Investments | 2 | 1
Available for sale Securities, 12 months or longer, Fair value | $ 3,472 | $ 1,127
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 163 | $ 11
Available for sale Securities, Total, Number of investments | Investments | 2 | 2
Available for sale Securities, Total, Fair value | $ 3,472 | $ 4,063
Available for sale Securities, Total, Unrealized losses | $ 163 | $ 24
State and political subdivisions [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 4 | 3
Available for sale Securities, Less than 12 months, Fair value | $ 3,491 | $ 1,214
Available for sale Securities, Less than 12 months, Unrealized losses | $ 48 | $ 9
Available for sale Securities, 12 months or longer, Number of investments | Investments | 5 | 2
Available for sale Securities, 12 months or longer, Fair value | $ 1,935 | $ 792
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 79 | $ 16
Available for sale Securities, Total, Number of investments | Investments | 9 | 5
Available for sale Securities, Total, Fair value | $ 5,426 | $ 2,006
Available for sale Securities, Total, Unrealized losses | $ 127 | $ 25
Asset-backed securities [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 2 |
Available for sale Securities, Less than 12 months, Fair value | $ 3,474 |
Available for sale Securities, Less than 12 months, Unrealized losses | $ 10 |
Available for sale Securities, 12 months or longer, Number of investments | Investments |  |
Available for sale Securities, 12 months or longer, Fair value |  |
Available for sale Securities, 12 months or Longer, Unrealized losses |  |
Available for sale Securities, Total, Number of investments | Investments | 2 |
Available for sale Securities, Total, Fair value | $ 3,474 |
Available for sale Securities, Total, Unrealized losses | $ 10 |
Mortgage-backed securities [Member] | FHLMC [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments |  | 3
Available for sale Securities, Less than 12 months, Fair value |  | $ 2,897
Available for sale Securities, Less than 12 months, Unrealized losses |  | $ 26
Available for sale Securities, 12 months or longer, Number of investments | Investments | 10 | 7
Available for sale Securities, 12 months or longer, Fair value | $ 7,651 | $ 6,056
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 361 | $ 123
Available for sale Securities, Total, Number of investments | Investments | 10 | 10
Available for sale Securities, Total, Fair value | $ 7,651 | $ 8,953
Available for sale Securities, Total, Unrealized losses | $ 361 | $ 149
Mortgage-backed securities [Member] | FNMA [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 4 | 11
Available for sale Securities, Less than 12 months, Fair value | $ 5,476 | $ 14,345
Available for sale Securities, Less than 12 months, Unrealized losses | $ 60 | $ 135
Available for sale Securities, 12 months or longer, Number of investments | Investments | 23 | 13
Available for sale Securities, 12 months or longer, Fair value | $ 23,656 | $ 14,597
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 873 | $ 251
Available for sale Securities, Total, Number of investments | Investments | 27 | 24
Available for sale Securities, Total, Fair value | $ 29,132 | $ 28,942
Available for sale Securities, Total, Unrealized losses | $ 933 | $ 386
Mortgage-backed securities [Member] | GNMA [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 1 | 2
Available for sale Securities, Less than 12 months, Fair value | $ 1,206 | $ 2,270
Available for sale Securities, Less than 12 months, Unrealized losses | $ 70 | $ 40
Available for sale Securities, 12 months or longer, Number of investments | Investments | 2 | 1
Available for sale Securities, 12 months or longer, Fair value | $ 1,776 | $ 971
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 96 | $ 42
Available for sale Securities, Total, Number of investments | Investments | 3 | 3
Available for sale Securities, Total, Fair value | $ 2,982 | $ 3,241
Available for sale Securities, Total, Unrealized losses | $ 166 | $ 82

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